287 lines
6.2 KiB
C++
287 lines
6.2 KiB
C++
/* -*-Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
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/*
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* Copyright (c) 2007-2009 Strasbourg University
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation;
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA02111-1307USA
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*
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* Author: David Gross <gdavid.devel@gmail.com>
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*/
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#ifndef IPV6_OPTION_H
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#define IPV6_OPTION_H
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#include <map>
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#include "ns3/object.h"
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#include "ns3/node.h"
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#include "ns3/ptr.h"
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#include "ipv6-interface.h"
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#include "ns3/ipv6-header.h"
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#include "ns3/buffer.h"
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#include "ns3/packet.h"
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#include "ns3/ipv6-address.h"
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namespace ns3
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{
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/**
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* \class Ipv6Option
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* \brief IPv6 Option base
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*
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* If you want to implement a new IPv6 option, all you have to do is
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* implement a subclass of this class and add it to an Ipv6OptionDemux.
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*/
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class Ipv6Option : public Object
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{
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public:
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/**
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* \brief Get the type identificator.
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* \return type identificator
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*/
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static TypeId GetTypeId ();
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/**
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* \brief Destructor.
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*/
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virtual ~Ipv6Option ();
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/**
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* \brief Set the node.
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* \param node the node to set
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*/
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void SetNode (Ptr<Node> node);
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/**
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* \brief Get the option number.
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* \return option number
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*/
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virtual uint8_t GetOptionNumber () const = 0;
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/**
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* \brief Process method
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*
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* Called from Ipv6L3Protocol::Receive.
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* \param packet the packet
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* \param offset the offset of the extension to process
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* \param ipv6Header the IPv6 header of packet received
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* \param isDropped if the packet must be dropped
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* \return the processed size
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*/
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virtual uint8_t Process (Ptr<Packet> packet, uint8_t offset, Ipv6Header const& ipv6Header, bool& isDropped) = 0;
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private:
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/**
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* \brief The node.
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*/
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Ptr<Node> m_node;
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};
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/**
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* \class Ipv6OptionPad1
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* \brief IPv6 Option Pad1
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*/
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class Ipv6OptionPad1 : public Ipv6Option
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{
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public:
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/**
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* \brief Pad1 option number.
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*/
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static const uint8_t OPT_NUMBER = 0;
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/**
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* \brief Get the type identificator.
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* \return type identificator
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*/
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static TypeId GetTypeId ();
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/**
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* \brief Constructor.
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*/
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Ipv6OptionPad1 ();
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/**
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* \brief Destructor.
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*/
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~Ipv6OptionPad1 ();
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/**
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* \brief Get the option number.
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* \return option number
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*/
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virtual uint8_t GetOptionNumber () const;
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/**
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* \brief Process method
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*
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* Called from Ipv6L3Protocol::Receive.
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* \param packet the packet
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* \param offset the offset of the extension to process
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* \param ipv6Header the IPv6 header of packet received
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* \param isDropped if the packet must be dropped
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* \return the processed size
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*/
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virtual uint8_t Process (Ptr<Packet> packet, uint8_t offset, Ipv6Header const& ipv6Header, bool& isDropped);
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};
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/**
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* \class Ipv6OptionPadn
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* \brief IPv6 Option Padn
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*/
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class Ipv6OptionPadn : public Ipv6Option
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{
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public:
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/**
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* \brief PadN option number.
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*/
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static const uint8_t OPT_NUMBER = 60;
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/**
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* \brief Get the type identificator.
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* \return type identificator
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*/
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static TypeId GetTypeId ();
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/**
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* \brief Constructor.
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*/
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Ipv6OptionPadn ();
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/**
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* \brief Destructor.
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*/
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~Ipv6OptionPadn ();
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/**
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* \brief Get the option number.
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* \return option number
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*/
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virtual uint8_t GetOptionNumber () const;
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/**
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* \brief Process method
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*
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* Called from Ipv6L3Protocol::Receive.
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* \param packet the packet
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* \param offset the offset of the extension to process
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* \param ipv6Header the IPv6 header of packet received
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* \param isDropped if the packet must be dropped
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* \return the processed size
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*/
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virtual uint8_t Process (Ptr<Packet> packet, uint8_t offset, Ipv6Header const& ipv6Header, bool& isDropped);
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};
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/**
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* \class Ipv6OptionJumbogram
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* \brief IPv6 Option Jumbogram
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*/
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class Ipv6OptionJumbogram : public Ipv6Option
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{
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public:
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/**
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* \brief Jumbogram option number.
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*/
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static const uint8_t OPT_NUMBER = 44;
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/**
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* \brief Get the type identificator.
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* \return type identificator
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*/
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static TypeId GetTypeId ();
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/**
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* \brief Constructor.
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*/
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Ipv6OptionJumbogram ();
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/**
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* \brief Destructor.
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*/
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~Ipv6OptionJumbogram ();
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/**
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* \brief Get the option number.
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* \return option number
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*/
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virtual uint8_t GetOptionNumber () const;
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/**
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* \brief Process method
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* Called from Ipv6L3Protocol::Receive.
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* \param packet the packet
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* \param offset the offset of the extension to process
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* \param ipv6Header the IPv6 header of packet received
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* \param isDropped if the packet must be dropped
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* \return the processed size
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*/
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virtual uint8_t Process (Ptr<Packet> packet, uint8_t offset, Ipv6Header const& ipv6Header, bool& isDropped);
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private:
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/**
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* \brief The length of the packet.
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*/
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uint32_t m_length;
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};
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/**
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* \class Ipv6OptionRouterAlert
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* \brief IPv6 Option Router Alert
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*/
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class Ipv6OptionRouterAlert : public Ipv6Option
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{
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public:
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/**
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* \brief Router alert option number.
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*/
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static const uint8_t OPT_NUMBER = 43;
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/**
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* \brief Get the type identificator.
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* \return type identificator
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*/
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static TypeId GetTypeId ();
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/**
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* \brief Constructor.
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*/
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Ipv6OptionRouterAlert ();
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/**
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* \brief Destructor.
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*/
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~Ipv6OptionRouterAlert ();
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/**
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* \brief Get the option number.
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* \return option number
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*/
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virtual uint8_t GetOptionNumber () const;
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/**
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* \brief Process method
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*
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* Called from Ipv6L3Protocol::Receive.
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* \param packet the packet
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* \param offset the offset of the extension to process
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* \param ipv6Header the IPv6 header of packet received
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* \param isDropped if the packet must be dropped
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* \return the processed size
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*/
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virtual uint8_t Process (Ptr<Packet> packet, uint8_t offset, Ipv6Header const& ipv6Header, bool& isDropped);
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};
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} /* namespace ns3 */
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#endif /* IPV6_OPTION_H */
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